Home / 227,254.28-313,621.62-126,653

Finding the Fourth Proportional to 227,254.28, 313,621.62 and 126,653

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Solution

The fourth proportional to 227,254.28, 313,621.62 and 126,653 is: 174,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,254.28 : 313,621.62 = 126,653 : x
  2. Step 2: Convert to fraction form
    227,254.28/313,621.62 = 126,653/x
  3. Step 3: Cross multiply
    227,254.28x = 313,621.62 × 126,653
  4. Step 4: Simplify right side
    227,254.28x = 39,721,119,037.86
  5. Step 5: Solve for x
    x = 39,721,119,037.86/227,254.28
  6. Step 6: Final answer
    x = 174,787.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.